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This package provides a LADSPA plugin to manipulate the stereo width of audio signals.
This package provides a python API to read and write MIDI files.
The LV2 Toolkit (LVTK) contains libraries that wrap the LV2 C API and extensions into easy to use C++ classes. It is the successor of lv2-c++-tools.
Carla is a modular audio plugin host, with features like transport control, automation of parameters via MIDI CC and remote control over OSC. Carla currently supports LADSPA (including LRDF), DSSI, LV2, VST2, and VST3 plugin formats, plus SF2 and SFZ file support. It uses JACK as the default and preferred audio driver but also supports native drivers like ALSA.
lv2lint is an LV2 lint-like tool that checks whether a given plugin and its UI(s) match up with the provided metadata and adhere to well-known best practices.
Xmp is a portable module player that plays over 90 mainstream and obscure module formats, including Protracker MOD, Fasttracker II XM, Scream Tracker 3 S3M and Impulse Tracker IT files.
CHOW Tape is an analog tape machine physical model, originally based on the Sony TC-260. The current version can be used to emulate a wide variety of reel-to-reel tape machines.
RtMidi is a set of C++ classes (RtMidiIn, RtMidiOut, and API specific classes) that provide a common cross-platform API for realtime MIDI input/output.
RtMidi is a set of C++ classes (RtMidiIn, RtMidiOut, and API specific classes) that provide a common cross-platform API for realtime MIDI input/output.
The mbelib library provides support for the 7200x4400 bit/s codec used in P25 Phase 1, the 7100x4400 bit/s codec used in ProVoice and the Half Rate 3600x2250 bit/s vocoder used in various radio systems.
ZToolkit (Ztk) is a cross-platform GUI toolkit heavily inspired by GTK. It handles events and low level drawing on behalf of the user and provides a high-level API for managing the UI and custom widgets. ZToolkit is written in C and was created to be used for building audio plugin UIs, where the dependencies often need to be kept to a minimum.
Libxmp is a library that renders module files to PCM data. It supports over 90 mainstream and obscure module formats including Protracker (MOD), Scream Tracker 3 (S3M), Fast Tracker II (XM), and Impulse Tracker (IT).
PortAudio is a portable C/C++ audio I/O library providing a simple API to record and/or play sound using a callback function or a blocking read/write interface.
SuperCollider is a synthesis engine (scsynth or supernova) and programming language (sclang). It can be used for experimenting with sound synthesis and algorithmic composition.
SuperCollider requires jackd to be installed in your user profile and your user must be allowed to access the realtime features of the kernel. Search for "realtime" in the index of the Guix manual to learn how to achieve this using Guix System.
FDK is a library for encoding and decoding Advanced Audio Coding (AAC) format audio, developed by Fraunhofer IIS, and included as part of Android. It supports several Audio Object Types including MPEG-2 and MPEG-4 AAC LC, HE-AAC (AAC LC + SBR), HE-AACv2 (LC + SBR + PS) as well AAC-LD (low delay) and AAC-ELD (enhanced low delay) for real-time communication. The encoding library supports sample rates up to 96 kHz and up to eight channels (7.1 surround).
Jalv is a simple but fully featured LV2 host for JACK. It runs LV2 plugins and exposes their ports as JACK ports, essentially making any LV2 plugin function as a JACK application.
The pa-notify daemon sends notifications about the current volume level of PulseAudio or PipeWire using libnotify.
Tao is a software package for sound synthesis using physical models. It provides a virtual acoustic material constructed from masses and springs which can be used as the basis for building quite complex virtual musical instruments. Tao comes with a synthesis language for creating and playing instruments and a C++ API for those who would like to use it as an object library.
CLAP stands for CLever Audio Plugin. It is an audio plugin ABI which defines a standard for Digital Audio Workstations and audio plugins to work together.
dsp is an audio processing program with an interactive mode.
An LV2 port of the mda Piano VSTi.
freealut is the OpenAL Utility Toolkit.
This package provides a LADSPA plugin for a four-band parametric equalizer. Each section has an active/bypass switch, frequency, bandwidth and gain controls. There is also a global bypass switch and gain control.
The 2nd order resonant filters are implemented using a Mitra-Regalia style lattice filter, which is stable even while parameters are being changed.
All switches and controls are internally smoothed, so they can be used live without any clicks or zipper noises. This makes this plugin suitable for use in systems that allow automation of plugin control ports, such as Ardour, or for stage use.
WebRTC-Audio-Processing library based on Google's implementation of WebRTC.